Vanagon EuroVan
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (February 2014, week 4)Back to main VANAGON pageJoin or leave VANAGON (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Tue, 25 Feb 2014 14:58:34 -0600
Reply-To:     JRodgers <jrodgers113@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         JRodgers <jrodgers113@GMAIL.COM>
Subject:      Re: Engine Starting Problem
Comments: To: Steven Shelton <shelton4@GMAIL.COM>
In-Reply-To:  <CACK29cm0vYvb54UjZX0D=NL_bJasPJ5ey6sSkDesjbOAtkWgGg@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Sounds like you have the classic WBX "flat lifter" syndrome. These lifters can go flat in heartbeat. 10 minutes after shutting down - restart - and the lifters clatter. Will take a little while to pump back up. Not to worry in most cases.

John

On 2/25/2014 2:28 PM, Steven Shelton wrote: > This is turning into a real nightmare. I reinstalled the AFM; now it > starts fine, but the engine makes a loud clattering! It's done this > occasionally over the years, but always went away pretty quickly. Now it > won't stop. I've gone over it with a stethoscope and it seems to be > loudest at the driver's side of the intake air distributor, but it's hard > to pinpoint. I disconnected the fuel injector plugs and cranked the engine > to see if something was bouncing around in a cylinder, but heard nothing. > Can all this be related? It all started off with a shorted oil pressure > sensor wire. > > > On Tue, Feb 25, 2014 at 2:25 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote: > >> Intermittent problems are often elusive. Will it start reliably with the >> AFM >> disconnected? If yes then you do have a mixture control issue and the >> sensor >> being disconnected is helping get past it. I would look for massive vacuum >> leaks and wiring issues. Except for the O2 sensor which is a "consumable", >> it is very rare for any of the other sensors to go bad. Again, the >> connectors and wiring is more often the real problem. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of >> Steven Shelton >> Sent: Tuesday, February 25, 2014 2:12 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: Engine Starting Problem >> >> I meant that the engine turns over and over but it will not start/run. I >> checked the intake air sensor (Bentley 1999 edition pg 24.28): >> >> 2-3 556 >> 6-9 557 >> 6-22 2697@18 degrees C >> 2-3 and 7-9: ohms change as I moved the sensor plate >> >> Is this a definitive test or could there still be something wrong with >> intake air sensor? >> >> >> On Tue, Feb 25, 2014 at 1:59 PM, Dennis Haynes >> <d23haynes57@hotmail.com>wrote: >> >>> Cranking and starting are two completely different issues. The starter >>> will crank (turn)the engine over if you removed the complete fuel >>> delivery system and put it out to the garbage. >>> Check the wiring on the back of the starter. The solenoid trigger wire >>> may be loose and you're working near there is making or breaking that >>> connection. >>> >>> Dennis >>> >>> -----Original Message----- >>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On >>> Behalf Of Steven Shelton >>> Sent: Tuesday, February 25, 2014 1:18 PM >>> To: vanagon@GERRY.VANAGON.COM >>> Subject: Re: Engine Starting Problem >>> >>> OK, as I said above, the engine would not crank at all, even after >>> returning to it using a charged battery the next day. As soon as i >>> removed the AFM, even with the #1 spark plug removed, the engine >>> cranked right up. >>> I checked the ECU connector, with the following results: >>> >>> 2-7 3213 ohms@16 degrees C >>> at this temperature the reading should be 3000 ohm to 3500 ohm. >>> I also checked at the temp 2 sensor, it was 3178 ohm. >>> >>> Other readings were: >>> 1-7 10.64 V >>> 5-7 infinity >>> 6-19 558 ohm >>> 7-25 0 ohm >>> 11-7 14.9 ohm >>> 12-7 15.1 >>> 14-6 3154 ohm >>> 15-19 555 ohm at rest, it moved up when I moved the plate >>> >>> Does this mean conclusively that the temp 2 sensor is OK? Any >>> suggestions on what to try next? >>> >>> >> >> >


Back to: Top of message | Previous page | Main VANAGON page

Please note - During the past 17 years of operation, several gigabytes of Vanagon mail messages have been archived. Searching the entire collection will take up to five minutes to complete. Please be patient!


Return to the archives @ gerry.vanagon.com


The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.

Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.